调制的

Then the digital audio signal is set into segments and DWT is performed. Finally the modulated signal is embedded in the coefficients with relatively large absolute value on middle frequency range detail signal adaptively. The original digital audio signal is necessary when detecting the watermark.

在应用扩频技术的算法中，首先将视觉上可辨的二值水印图像降维为一维序列，再将一维水印序列伪随机排序并与m序列作扩频调制，最后对数字音频信号进行分段离散小波变换，把经过调制的水印信息自适应地嵌入到原音频信号小波分解中等尺度绝对值较大的分量上。

Correlative numerical simulation was implemented,and the results show that the combination of RS and TCM codes can enhance optical PPM communication performance assuringly.

模拟研究了在不同空间光信道条件下，传统RS码的符号正确传输率和误码率，并对网格编码调制的编码增益、RS码与网格编码调制级联时的编码增益进行了仿真研究，证实了本方案的有效性。

Alternatively, any number of channels may be modulated with the signal at the modulation input socket.

另外，任何数量的渠道可调制的信号的调制输入插座。

Based on laser interferometer theory,Multi-wave interferometer by phase-shift ing method is applied on high-reflective coated optical flatness measurement.

本文以光干涉原理为基础，分析多光束干涉原理特点及其在平面形貌测量中应用可能，提出应用移相方法对被测镀高反膜表面进行调制，得到一系列被调制的干涉图样，经计算机对干涉图样进行自动采集和图像解包裹，获得被测表面的三维形貌数据，并通过实际测试验证了该方法的可行性和科学性。

Design of Phase-shift Power Amplifier for Control of Active Magnetic Bearing;2. A digital control of phase-shift circuit;3. Based on laser interferometer theory,Multi-wave interferometer by phase-shift ing method is applied on high-reflective coated optical flatness measurement.

本文以光干涉原理为基础，分析多光束干涉原理特点及其在平面形貌测量中应用可能，提出应用移相方法对被测镀高反膜表面进行调制，得到一系列被调制的干涉图样，经计算机对干涉图样进行自动采集和图像解包裹，获得被测表面的三维形貌数据，并通过实际测试验证了该方法的可行性和科学性。

This method makes the best of the advantage of binary optics and liquid crystal-spatial light modulator. It can avoid the unhandy of binary optics and the low efficiency of liquid crystal-spatial light modulator according to the demand. It optimizes temperature uniformity system.

该方法主要是充分利用二元光学法和液晶空间光调制的各自优点，并按照设计系统的要求，最大程度避免二元光学法使用不灵活而液晶空间光调制激光能量利用率不高的缺点，实现温度分布均匀化系统优化。

The nonlinear crosstalk due to cross-phase modulation was studied by a new analysis model in single-sideband radio over fiber systems, and the results were compared with that of the pump-probe method,which could be used to analyze different links, in particular, electrooptical upconversion links.

利用非线性薛定谔方程，推导计算了基于光学单边带调制的光载射频链路中交叉相位调制引起的非线性串扰，建立了新的分析模型，并和抽运探测法进行了比较。

S. pump wavelength and pump power were discussed.Secondly, the spectrum broadening due to the cross phase modulation in DSF was analyzed, and the principle and experimental setup of actively mode-locked Erbium-doped fiber laser was introduced.

第四章对交叉相位调制效应导致频谱展宽的原理进行了分析，介绍了主动锁模掺饵光纤激光器产生锁模脉冲的原理及实验，对基色散位移光纤交叉相位调制的波长转换进行了实验研究。

Examples of suitable spin functions include frequency-modulated and amplitude-modulated sine waves.

合适的旋转函数的例子包括频率调制和幅度调制的正弦波。

The results show that the increase of the number of subcarrier leads to the increase of the PAPR, and the method based on SLM technique can decrease the PAPR in WPT-MCM system effectively.

结果表明，子载波路数的增多使小波包多载波调制的峰均功率比增大，基于SLM技术降低小波包多载波调制峰均功率比是非常有效的。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。